nature. He was justly accused of con-fusing the two natures. At Chalcedon both the separation and the confusion of the two natures were rejected. The decisons of Chalcedon were strongly influenced by the well-known letter which Leo I addressed to Flavian in the year 449. In this letter he maintained that each of the two natures has its peculiar attributes; for this opinion he was later accused, by several, of Nestorianism. At the so-called robber-synod of 449 Eutyches was declared orthodox and an
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